Hundreds of people braved a freezing rain in Aurora on Sunday to pray for the victims of Friday’s mass shooting at a manufacturing plant.

Guest: Scott D. Sampson, Ph.D.

In the past twenty-five years, more "new" species of dinosaur were discovered and named than in all prior history. Today on Focus, we'll talk to leading expert Scott D. Sampson about the story of the dinosaurs from their origin to their sudden demise. We'll also discuss how further knowledge about the dinosaurs gives us a better view of the entire natural world.